Defining polynomial
\(x^{20} + 30 x^{18} + 409 x^{16} + 4 x^{15} + 3244 x^{14} - 60 x^{13} + 16162 x^{12} - 1250 x^{11} + 53008 x^{10} - 7102 x^{9} + 121150 x^{8} - 12140 x^{7} + 219264 x^{6} + 5736 x^{5} + 257465 x^{4} + 35250 x^{3} + 250183 x^{2} + 51502 x + 77812\) |
Invariants
Base field: | $\Q_{3}$ |
Degree $d$: | $20$ |
Ramification exponent $e$: | $2$ |
Residue field degree $f$: | $10$ |
Discriminant exponent $c$: | $10$ |
Discriminant root field: | $\Q_{3}$ |
Root number: | $1$ |
$\card{ \Gal(K/\Q_{ 3 }) }$: | $20$ |
This field is Galois and abelian over $\Q_{3}.$ | |
Visible slopes: | None |
Intermediate fields
$\Q_{3}(\sqrt{2})$, $\Q_{3}(\sqrt{3})$, $\Q_{3}(\sqrt{3\cdot 2})$, 3.4.2.1, 3.5.0.1, 3.10.0.1, 3.10.5.1, 3.10.5.2 |
Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.
Unramified/totally ramified tower
Unramified subfield: | 3.10.0.1 $\cong \Q_{3}(t)$ where $t$ is a root of \( x^{10} + 2 x^{6} + 2 x^{5} + 2 x^{4} + x + 2 \) |
Relative Eisenstein polynomial: | \( x^{2} + 3 \) $\ \in\Q_{3}(t)[x]$ |
Ramification polygon
Residual polynomials: | $z + 2$ |
Associated inertia: | $1$ |
Indices of inseparability: | $[0]$ |
Invariants of the Galois closure
Galois group: | $C_2\times C_{10}$ (as 20T3) |
Inertia group: | Intransitive group isomorphic to $C_2$ |
Wild inertia group: | $C_1$ |
Unramified degree: | $10$ |
Tame degree: | $2$ |
Wild slopes: | None |
Galois mean slope: | $1/2$ |
Galois splitting model: | Not computed |